Home / 55,989.28-77,230.08-33,312.16

Finding the Fourth Proportional to 55,989.28, 77,230.08 and 33,312.16

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Solution

The fourth proportional to 55,989.28, 77,230.08 and 33,312.16 is: 45,949.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,989.28 : 77,230.08 = 33,312.16 : x
  2. Step 2: Convert to fraction form
    55,989.28/77,230.08 = 33,312.16/x
  3. Step 3: Cross multiply
    55,989.28x = 77,230.08 × 33,312.16
  4. Step 4: Simplify right side
    55,989.28x = 2,572,700,781.77
  5. Step 5: Solve for x
    x = 2,572,700,781.77/55,989.28
  6. Step 6: Final answer
    x = 45,949.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.